marijuana abuse

Craig Mayer, Nick WIlliams, Vojtech Huser
Lister Hill National Center for Biomedical Communications, National Library of Medicine, NIH, Bethesda, MD

See the full regCTG repository at https://github.com/lhncbc/CRI/tree/master/regCTG

To return to the list of conditions and view other reports go to https://lhncbc.github.io/CRI/regCTG/regCTG-condition_report_links.html

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Study Counts

Type	Study_count
Total_Studies	259
interventional	221
Observational	37
Registry	1

Studies over Time by Start Date

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Interventional Trials

Intervention Type

intervention_type	Study_Count
Drug|placebo	70
Drug	60
Behavioral	54
Other	9
Behavioral|Drug|placebo	7
Behavioral|Drug	4
Behavioral|Other	4
Device	3
Combination Product|placebo	2
Device|Drug	2
Drug|Other	2
Behavioral|Device	1
Behavioral|Procedure	1
Drug|placebo|Procedure	1
Drug|Procedure	1

Count of Studies by Intervention (normalized and mapped)

Interventions over Time

Yearly studies for each intervention by start date

Studies by Country

Country	Study_Count
United States	174
Canada	16
France	9
NA	7
Israel	4
United Kingdom	3
Spain	2
Australia	1
Denmark	1
Germany	1
Hong Kong	1
Poland	1
Sweden	1

Sites per Study

Site_count	Study_Count
1	193
2	16
3	6
4	2
5	1
6	2
9	1

Phase

Phase	Study_Count
N/A	72
Phase 2	60
Phase 1	42
Phase 1/Phase 2	13
Early Phase 1	9
Phase 2/Phase 3	9
Phase 3	8
Phase 4	8

Number of Arms

Number_of_Arms	Count_of_Studies
1	31
2	117
3	29
4	17
5	3
6	8
8	3
10	1
NA	12

Enrollment Metrics by Phase

Measure	Early.Phase.1	N.A	Phase.1	Phase.1.Phase.2	Phase.2	Phase.2.Phase.3	Phase.3	Phase.4
Min.	8.00000	3.0000	8.00000	10.00000	2.00	20.00000	8.000	31.00
1st Qu.	14.00000	36.5000	17.00000	15.00000	28.75	35.00000	42.250	45.00
Median	26.00000	72.0000	28.00000	24.00000	62.50	70.00000	161.000	99.50
Mean	32.88889	126.8451	41.04878	22.38462	185.60	84.33333	199.625	92.50
3rd Qu.	50.00000	151.5000	45.00000	28.00000	120.75	127.00000	308.000	126.25
Max.	90.00000	1020.0000	240.00000	33.00000	6455.00	192.00000	566.000	175.00

Trial Group Type

group_type	Group_Count
Experimental	262
Placebo Comparator	103
Active Comparator	99
Other	30
No Intervention	18
NA	12
Sham Comparator	5

Intervention Model

intervention_model	Study_Count
Parallel Assignment	124
Crossover Assignment	52
Single Group Assignment	38
Factorial Assignment	3
Sequential Assignment	3
NA	1

Primary Purpose

primary_purpose	Study_Count
Treatment	129
Basic Science	46
Other	17
Prevention	9
Diagnostic	8
NA	4
Health Services Research	3
Device Feasibility	2
Screening	2
Supportive Care	1

Observational Studies

Studies by Country

Country	Study_Count
United States	26
Germany	4
Canada	2
France	1
Israel	1
NA	1
Switzerland	1
United Kingdom	1

Sites per Study

Site_count	Study_Count
1	31
2	5
3	1

Enrollment Metrics

Measure	Observational
Min	6.0000
1st Qu	30.0000
Median	75.0000
Mean	198.3243
3rd Qu	200.0000
Max	2000.0000

Observation Model

observational_model	Study_Count
Cohort	16
Case-Only	6
Other	6
NA	5
Case-Control	3
Defined Population, Natural History	1

Time Perspective

time_perspective	Study_Count
Prospective	23
Cross-Sectional	6
Other	4
Retrospective	2
Cross-Sectional, Prospective	1
NA	1

Registries

Studies by Country

Country	Study_Count
United States	1

Sites per Study

Site_count	Study_Count
1	1

Enrollment Metrics

Measure	Registries
Min	119
1st Qu	119
Median	119
Mean	119
3rd Qu	119
Max	119

Registry Model

observational_model	Study_Count
Cohort	1

Time Perspective

time_perspective	Study_Count
Prospective	1

Follow-up

target_duration	Study_Count
1 Year	1

Overview of Studies

Interventional Trials

#If less then 500 trials

nct_id	brief_title	link	overall_status	source	primary_completion_date
NCT04461756	Safety and Pharmacokinetics of Vaped Cannabis in Healthy Volunteers	https://ClinicalTrials.gov/show/NCT04461756	Completed	Tetra Bio-Pharma	2018-11-24
NCT03386487	Fatty Acid Amide Hydrolase (FAAH) Inhibitor Treatment of Cannabis Use Disorder (CUD)	https://ClinicalTrials.gov/show/NCT03386487	Recruiting	Yale University	2022-12-31
NCT03729869	Impact of Progesterone on Stress Reactivity and Cannabis Use	https://ClinicalTrials.gov/show/NCT03729869	Recruiting	Medical University of South Carolina	2023-10-30
NCT03401333	Brief Interventions With Text Messaging to Reduce Adolescent Alcohol and Marijuana Use	https://ClinicalTrials.gov/show/NCT03401333	Completed	Yale University	2018-06-06
NCT03334721	Gabapentin for Bipolar & Cannabis Use Disorders	https://ClinicalTrials.gov/show/NCT03334721	Completed	Medical University of South Carolina	2019-07-01
NCT03247244	Safety and Efficacy of Cannabis in Tourette Syndrome	https://ClinicalTrials.gov/show/NCT03247244	Recruiting	University Health Network, Toronto	2020-05-31
NCT03276221	Cognitive Recovery With Cannabis Abstinence Among High School-Aged Adolescents	https://ClinicalTrials.gov/show/NCT03276221	Recruiting	Massachusetts General Hospital	2022-01-31
NCT03253926	Effect of Lorcaserin on Cannabis Withdrawal and Self-administration	https://ClinicalTrials.gov/show/NCT03253926	Active, not recruiting	New York State Psychiatric Institute	2020-09-30
NCT03224468	Effect of Medical Marijuana on Neurocognition and Escalation of Use	https://ClinicalTrials.gov/show/NCT03224468	Recruiting	Massachusetts General Hospital	2022-03-31
NCT03204305	Brain Imaging of Cannabinoid Receptors	https://ClinicalTrials.gov/show/NCT03204305	Completed	Johns Hopkins University	2020-03-31
NCT03191084	Examine the Feasibility of a Standardized Field Test for Marijuana Impairment: Laboratory Evaluations	https://ClinicalTrials.gov/show/NCT03191084	Recruiting	Yale University	2019-12-31
NCT03189810	Effects of Repetitive Transcranial Magnetic Stimulation (rTMS) on Cannabis Use and Cognitive Outcomes in Schizophrenia	https://ClinicalTrials.gov/show/NCT03189810	Recruiting	Centre for Addiction and Mental Health	2021-06-30
NCT03154580	Marijuana Cue-Reactivity & Seeking Behavior in Regular Cannabis Users	https://ClinicalTrials.gov/show/NCT03154580	Recruiting	Wayne State University	2020-07-31
NCT03154567	Effects of Stress and Drug-cue Exposure (SCM)	https://ClinicalTrials.gov/show/NCT03154567	Recruiting	Wayne State University	2020-07-31
NCT03144232	A Preliminary Investigation of Pre-Frontal Repetitive Transcranial Magnetic Stimulation (rTMS) for the Treatment of Cannabis Use Disorder	https://ClinicalTrials.gov/show/NCT03144232	Recruiting	Medical University of South Carolina	2021-04-01
NCT03122691	Differences in Cannabis Impairment and Its Measurement Due to Route of Administration	https://ClinicalTrials.gov/show/NCT03122691	Completed	Johns Hopkins University	2019-06-11
NCT03111667	A Hybrid Effectiveness-Implementation Trial of a School-Based Teen Marijuana Checkup	https://ClinicalTrials.gov/show/NCT03111667	Active, not recruiting	University of Washington	2020-07-31
NCT03102918	Cannabidiol Pharmacotherapy for Adults With Cannabis Use Disorder	https://ClinicalTrials.gov/show/NCT03102918	Completed	Mclean Hospital	2017-08-30
NCT03099005	Effect of Cannabis and Endocannabinoids on HIV Neuropathic Pain	https://ClinicalTrials.gov/show/NCT03099005	Recruiting	University of California, San Diego	2020-09-30
NCT03078309	The Effects of Cannabis on Visual Functions in Healthy and Retinitis Pigmentosa Patients	https://ClinicalTrials.gov/show/NCT03078309	Recruiting	Hadassah Medical Organization	2020-08-31
NCT03073291	Intervening to Prevent Youth Access to Marijuana Phase II	https://ClinicalTrials.gov/show/NCT03073291	Completed	Klein Buendel, Inc.	2019-05-31
NCT03056482	Haloperidol Versus Ondansetron for Cannabis Hyperemesis Syndrome (HaVOC)	https://ClinicalTrials.gov/show/NCT03056482	Completed	Queen’s University	2019-06-30
NCT02983773	Marijuana’s Impact on Alcohol Motivation and Consumption	https://ClinicalTrials.gov/show/NCT02983773	Recruiting	Brown University	2020-05-31
NCT02955329	Vaping THC From Electronic Cigarettes	https://ClinicalTrials.gov/show/NCT02955329	Completed	University of California, San Francisco	2019-11-30
NCT02946489	Facilitating the Behavioral Treatment of Cannabis Use Disorder	https://ClinicalTrials.gov/show/NCT02946489	Completed	New York State Psychiatric Institute	2018-08-31
NCT02932527	Effect of Cannabis Consumption on Sperm Nuclear Quality in Infertile Men	https://ClinicalTrials.gov/show/NCT02932527	Recruiting	University Hospital, Rouen	2020-08-31
NCT02932215	Use of a Mobile Health Sensor in an Open Label Trial of Lorcaserin for the Treatment of Cannabis Use Disorder	https://ClinicalTrials.gov/show/NCT02932215	Completed	New York State Psychiatric Institute	2019-01-31
NCT02913924	Effect of Clonazepam on Cannabis Withdrawal and Relapse in Treatment-seeking Patients	https://ClinicalTrials.gov/show/NCT02913924	Completed	New York State Psychiatric Institute	2020-06-30
NCT02874898	Short-Term Exposure for PTSD	https://ClinicalTrials.gov/show/NCT02874898	Recruiting	University of Washington	2021-03-31
NCT02869451	Mobile Contingency Management for Marijuana and Tobacco Cessation	https://ClinicalTrials.gov/show/NCT02869451	Completed	Duke University	2017-05-17
NCT02837315	Improving Brief Marijuana Interventions With a Behavioral Economic Supplement	https://ClinicalTrials.gov/show/NCT02837315	Completed	University of Memphis	2016-11-30
NCT02817698	Imaging the Neurochemistry of Drug Addiction With PET	https://ClinicalTrials.gov/show/NCT02817698	Recruiting	Yale University	2021-09-30
NCT02816034	Cerebellar Alterations in Individuals With a Cannabis Use Disorder	https://ClinicalTrials.gov/show/NCT02816034	Completed	Universitat Pompeu Fabra	2017-04-30
NCT02811510	Gender Related Differences in the Acute Effects of Delta-9-Tetrahydrocannabinol in Healthy Humans: Sub-Study I	https://ClinicalTrials.gov/show/NCT02811510	Recruiting	Yale University	2020-06-30
NCT02803229	Treatment of Cannabis Use Disorder Among Adults With Comorbid Attention-Deficit/Hyperactivity Disorder	https://ClinicalTrials.gov/show/NCT02803229	Completed	New York State Psychiatric Institute	2020-06-30
NCT02781519	Gender Related Differences in the Acute Effects of Delta-9-Tetrahydrocannabinol in Healthy Humans	https://ClinicalTrials.gov/show/NCT02781519	Recruiting	Yale University	2020-06-30
NCT02759185	Study of Four Different Potencies of Smoked Marijuana in 76 Veterans With PTSD	https://ClinicalTrials.gov/show/NCT02759185	Completed	Multidisciplinary Association for Psychedelic Studies	2019-01-31
NCT02757313	Neuroscience of Marijuana Impaired Driving	https://ClinicalTrials.gov/show/NCT02757313	Recruiting	Yale University	2021-05-31
NCT02744118	Helping Eliminate Marijuana Use Through Pediatric Practice	https://ClinicalTrials.gov/show/NCT02744118	Enrolling by invitation	American Academy of Pediatrics	2020-03-31
NCT02723149	Marijuana Approach Bias Retraining and Neural Response in Youth	https://ClinicalTrials.gov/show/NCT02723149	Completed	Medical University of South Carolina	2016-06-30
NCT02710331	Ethanol and Cannabinoid Effects on Simulated Driving and Related Cognition: Substudy III	https://ClinicalTrials.gov/show/NCT02710331	Recruiting	Yale University	2020-12-31
NCT02709954	Ethanol and Cannabinoid Effects on Simulated Driving and Related Cognition: Sub-Study I	https://ClinicalTrials.gov/show/NCT02709954	Recruiting	Yale University	2020-12-31
NCT02567344	Excitatory rTMS to the Left Dorsolateral Pre-Frontal Cortex to Reduce Cannabis-Cue Induced Craving	https://ClinicalTrials.gov/show/NCT02567344	Completed	Medical University of South Carolina	2016-03-31
NCT03398083	Evaluation of the Effects of Cannabidiol (CBD) Compared to Delta-9-Tetrahydrocannabinol (THC) and Alprazolam	https://ClinicalTrials.gov/show/NCT03398083	Completed	National Institute on Drug Abuse (NIDA)	2018-05-30
NCT02460692	Trial of Dronabinol and Vaporized Cannabis in Neuropathic Low Back Pain	https://ClinicalTrials.gov/show/NCT02460692	Recruiting	University of California, San Diego	2020-06-30
NCT02439814	Pregnenolone and Marijuana Dependence	https://ClinicalTrials.gov/show/NCT02439814	Completed	Medical University of South Carolina	2016-04-30
NCT02408640	Internet-Based Treatment for Individuals With Regular Cannabis Use: A Randomized Controlled Trial	https://ClinicalTrials.gov/show/NCT02408640	Completed	Karolinska Institutet	2017-12-31
NCT02404688	Ethanol and Cannabinoid Effects on Simulated Driving and Related Cognition	https://ClinicalTrials.gov/show/NCT02404688	Recruiting	Yale University	2020-12-31
NCT02325011	An Study to Evaluate the Effects of Fluconazole on the Pharmacokinetics (PK) of Sativex® in Healthy Subjects With Cannabis Experience.	https://ClinicalTrials.gov/show/NCT02325011	Completed	GW Pharmaceuticals Ltd.	2015-02-28
NCT02319746	COGNITIVE BEHAVIORAL THERAPY PROGRAM TO FIRST-EPISODE PSYCHOSIS PATIENTS AND CANNABIS ABUSE	https://ClinicalTrials.gov/show/NCT02319746	Completed	Basque Health Service	2018-09-30
NCT02277665	Clinical Trial Tobacco Marijuana	https://ClinicalTrials.gov/show/NCT02277665	Completed	Dartmouth-Hitchcock Medical Center	2017-01-18
NCT02246140	Intracranial Arterial Stenosis and Resin of Cannabis Use	https://ClinicalTrials.gov/show/NCT02246140	Recruiting	University Hospital, Strasbourg, France	2020-08-31
NCT02210195	Pharmacological Treatment of Comorbid Alcohol and Marijuana Withdrawal and Dependence	https://ClinicalTrials.gov/show/NCT02210195	Completed	The Scripps Research Institute	2016-12-19
NCT02191605	Computer-delivered Screening & Brief Intervention for Marijuana Use in Pregnancy	https://ClinicalTrials.gov/show/NCT02191605	Completed	Wayne State University	2017-04-20
NCT02177513	Effects of Cannabis Administration Routes on Human Performance and Pharmacokinetics	https://ClinicalTrials.gov/show/NCT02177513	Completed	National Institutes of Health Clinical Center (CC)	2016-04-27
NCT02165176	Pharmacokinetic and Pharmacodynamic Effects of Oral Cannabis	https://ClinicalTrials.gov/show/NCT02165176	Completed	Johns Hopkins University	2014-09-30
NCT02132832	Buspirone, Stress, and Attentional Bias to Marijuana Cues	https://ClinicalTrials.gov/show/NCT02132832	Completed	The University of Texas Health Science Center, Houston	2016-03-31
NCT02088177	Study of Long-Acting Injectable Naltrexone to Treat Cannabis Dependence	https://ClinicalTrials.gov/show/NCT02088177	Completed	New York State Psychiatric Institute	2016-03-31
NCT02061020	Study of the Relationship Between Dose-concentration-effect of Delta-9-tetrahydrocannabinol (THC) and the Ability to Drive in Chronic or Occasional Cannabis Users	https://ClinicalTrials.gov/show/NCT02061020	Completed	Assistance Publique - Hôpitaux de Paris	2015-07-31
NCT01292642	Cognitive Behavioral Therapy and the Nicotine Transdermal Patch for Cannabis Dependence and Nicotine Dependence	https://ClinicalTrials.gov/show/NCT01292642	Completed	Mclean Hospital	2011-06-30
NCT01292577	Adapted Cognitive/Affective Remediation for Cannabis Misuse in Schizophrenia	https://ClinicalTrials.gov/show/NCT01292577	Completed	University of Pittsburgh	2014-05-31
NCT03379857	Prevalence of Strokes Secondary to a Reversible Cerebral Vasoconstriction Attributable to Cannabis Consumption in Young Subjects (≤ 45 Years) Hospitalized for an Ischaemic Stroke	https://ClinicalTrials.gov/show/NCT03379857	Recruiting	University Hospital, Strasbourg, France	2025-01-11
NCT02044809	Cannabidiol: a Novel Intervention for Cannabis Use Problems?	https://ClinicalTrials.gov/show/NCT02044809	Completed	University College, London	2017-02-09
NCT02030665	Marijuana Treatment Project 4	https://ClinicalTrials.gov/show/NCT02030665	Completed	UConn Health	2018-04-30
NCT02011516	Baclofen Effects on Marijuana Dependence	https://ClinicalTrials.gov/show/NCT02011516	Completed	University of Pennsylvania	2015-06-30
NCT01983267	Evaluation Prospectively the Level of Reduction in Cognitive Functions of Cancer Patients Who Are on Active Oncology Treatments and Use Cannabis. The Second Goal is to Identify High-risk Groups for Cognitive Impairment Due to Cannabis Use.	https://ClinicalTrials.gov/show/NCT01983267	Completed	Rambam Health Care Campus	2017-04-26
NCT01875796	Integrated CBT for Cannabis Dependence With Co-occurring Anxiety Disorders	https://ClinicalTrials.gov/show/NCT01875796	Completed	Louisiana State University and A&M College	2016-07-31
NCT01863095	An Exercise App to Reduce Young Adults’ MJ Use	https://ClinicalTrials.gov/show/NCT01863095	Completed	State University of New York at Buffalo	2015-05-31
NCT01844687	Laboratory Study of Cannabidiol on the Effects of Smoked Marijuana	https://ClinicalTrials.gov/show/NCT01844687	Completed	National Institute on Drug Abuse (NIDA)	2014-10-31
NCT01834794	Targeting Tobacco Cessation During Treatment for Cannabis Use Disorders	https://ClinicalTrials.gov/show/NCT01834794	Completed	Dartmouth-Hitchcock Medical Center	2015-01-31
NCT01827332	Effect of Oxytocin on Craving and Therapy Response	https://ClinicalTrials.gov/show/NCT01827332	Completed	Medical University of South Carolina	2015-06-30
NCT01798186	Pharmacokinetic and Pharmacodynamic Effects of Passive Cannabis Inhalation	https://ClinicalTrials.gov/show/NCT01798186	Completed	Johns Hopkins University	2013-08-31
NCT01793961	Effects of Chronic Intake of Cannabis on Contrast Sensitivity	https://ClinicalTrials.gov/show/NCT01793961	Completed	University Hospital, Strasbourg, France	2015-11-30
NCT01762696	A Real-time, Contextual Intervention Using Mobile Technology to Reduce Marijuana Use in Youth	https://ClinicalTrials.gov/show/NCT01762696	Completed	Boston Children’s Hospital	2016-05-31
NCT01748799	Fixed or Self-Titrated Dosages of Sativex on Cannabis Users	https://ClinicalTrials.gov/show/NCT01748799	Completed	Centre for Addiction and Mental Health	2014-09-30
NCT01747850	Sativex and Behavioral-relapse Prevention Strategy in Cannabis Dependence	https://ClinicalTrials.gov/show/NCT01747850	Completed	Centre for Addiction and Mental Health	2015-11-30
NCT01697709	Quetiapine Pharmacotherapy for Cannabis Dependence	https://ClinicalTrials.gov/show/NCT01697709	Completed	New York State Psychiatric Institute	2017-04-30
NCT01685073	The Role of Sleep in the Treatment of Cannabis Use Disorders	https://ClinicalTrials.gov/show/NCT01685073	Completed	Johns Hopkins University	2018-07-31
NCT01675661	Achieving Cannabis Cessation-Evaluating N-Acetylcysteine Treatment	https://ClinicalTrials.gov/show/NCT01675661	Completed	Medical University of South Carolina	2015-07-31
NCT01656707	Adaptive Treatment for Adolescent Cannabis Use Disorders	https://ClinicalTrials.gov/show/NCT01656707	Completed	UConn Health	2016-07-31
NCT01639872	Clozapine for Cannabis Use in Schizophrenia	https://ClinicalTrials.gov/show/NCT01639872	Completed	Dartmouth-Hitchcock Medical Center	2017-03-29
NCT01620177	Effects of Inhaled Cannabis on Driving Performance	https://ClinicalTrials.gov/show/NCT01620177	Completed	University of Iowa	2014-03-31
NCT01618656	Safety and Efficacy of a FAAH-Inhibitor to Treat Cannabis Withdrawal	https://ClinicalTrials.gov/show/NCT01618656	Active, not recruiting	Yale University	2020-06-30
NCT01611948	Treatment for Cannabis Withdrawal and Dependence	https://ClinicalTrials.gov/show/NCT01611948	Completed	The Scripps Research Institute	2015-10-31
NCT01606189	A Study to Compare Sublingual Cannabis Based Medicine Extracts With Placebo to Treat Brachial Plexus Injury Pain	https://ClinicalTrials.gov/show/NCT01606189	Completed	GW Pharmaceuticals Ltd.	2002-09-30
NCT01592409	Cannabis Effects on Driving-related Skills of Young Drivers	https://ClinicalTrials.gov/show/NCT01592409	Completed	Centre for Addiction and Mental Health	2016-08-31
NCT01574183	Vilazodone Treatment for Marijuana Dependence	https://ClinicalTrials.gov/show/NCT01574183	Completed	Medical University of South Carolina	2015-08-31
NCT01555983	Vaporized Cannabis and Spinal Cord Injury Pain	https://ClinicalTrials.gov/show/NCT01555983	Completed	University of California, Davis	2014-08-31
NCT01539525	Screening to Augment Referral to Treatment- Project START	https://ClinicalTrials.gov/show/NCT01539525	Completed	Yale University	2015-01-28
NCT01511640	Behavioral Effects of Pregabalin and Cannabis	https://ClinicalTrials.gov/show/NCT01511640	Recruiting	University of Kentucky	2021-06-30
NCT01473719	Emerging Adults Who Use Alcohol and Marijuana	https://ClinicalTrials.gov/show/NCT01473719	Completed	Butler Hospital	2017-08-31
NCT01467999	Open-Label Pilot Study of Guanfacine-Extended Release for the Treatment of Cannabis Dependence	https://ClinicalTrials.gov/show/NCT01467999	Completed	New York State Psychiatric Institute	2016-04-30
NCT01400243	Nicotine Patch for Marijuana Withdrawal	https://ClinicalTrials.gov/show/NCT01400243	Completed	Southern Illinois University Carbondale	2014-06-30
NCT01394185	Effects of Dronabinol (Oral THC) on Cannabis Use	https://ClinicalTrials.gov/show/NCT01394185	Completed	Johns Hopkins University	2012-09-30
NCT01347762	Nabilone for Cannabis Dependence: A Pilot Study	https://ClinicalTrials.gov/show/NCT01347762	Completed	Mclean Hospital	2017-06-09
NCT01335789	Effect of Oxytocin on Stress in Marijuana Users	https://ClinicalTrials.gov/show/NCT01335789	Completed	Medical University of South Carolina	2012-07-31
NCT04389528	Evaluation of the Effect of tDCS on Cannabis Craving	https://ClinicalTrials.gov/show/NCT04389528	Recruiting	Centre hospitalier de Ville-Evrard, France	2021-07-17
NCT04314804	Safety and Pharmacokinetics of Smoked Cannabis in Healthy Patients	https://ClinicalTrials.gov/show/NCT04314804	Completed	Tetra Bio-Pharma	2017-11-08
NCT03430050	Progesterone for Cannabis Withdrawal	https://ClinicalTrials.gov/show/NCT03430050	Completed	Medical University of South Carolina	2018-04-04
NCT04202146	Cannabis Use and Relapse After One Week of Contingency Management Therapy	https://ClinicalTrials.gov/show/NCT04202146	Completed	Yale University	2019-03-15
NCT04199468	THC and Ketamine Effects in Humans: Relation to Neural Oscillations and Psychosis	https://ClinicalTrials.gov/show/NCT04199468	Recruiting	Yale University	2021-09-01
NCT04187989	Social Media Intervention for Cannabis Use in Emerging Adults	https://ClinicalTrials.gov/show/NCT04187989	Active, not recruiting	University of Michigan	2021-10-31
NCT04174963	An Electronic Intervention to Reduce Cannabis Among Young Adults in Psychiatric Care	https://ClinicalTrials.gov/show/NCT04174963	Active, not recruiting	Rhode Island Hospital	2021-08-31
NCT04173078	Computerized Intervention for Distress Intolerance	https://ClinicalTrials.gov/show/NCT04173078	Completed	Auburn University	2017-10-30
NCT04100590	Eye Tracking as a Biomarker of Cannabis Effects	https://ClinicalTrials.gov/show/NCT04100590	Recruiting	New York State Psychiatric Institute	2020-09-30
NCT04060602	Personalized Feedback Intervention to Reduce Risky Cannabis Use.	https://ClinicalTrials.gov/show/NCT04060602	Recruiting	Centre for Addiction and Mental Health	2021-03-31
NCT03994926	Evaluation of an Eye Tracking Sensor to Detect Cannabis Impairment	https://ClinicalTrials.gov/show/NCT03994926	Recruiting	Battelle Memorial Institute	2020-05-31
NCT03994640	Myorelaxant Effect of Cannabis Cream Topical Skin Application in Patients With TMD	https://ClinicalTrials.gov/show/NCT03994640	Completed	Medical University of Silesia	2018-10-01
NCT03980561	UH3 Varenicline for Cannabis Use Disorder	https://ClinicalTrials.gov/show/NCT03980561	Recruiting	Medical University of South Carolina	2022-12-01
NCT03964974	Reducing Cannabis Use for Sleep Among Adults Using Medical Cannabis	https://ClinicalTrials.gov/show/NCT03964974	Recruiting	University of Michigan	2021-12-31
NCT03936907	Comparison of Safety, Tolerability and Pharmacokinetics of Medical Grade Cannabis (MGC) Orally Disintegrating Tablets With Buccal Sativex®, in Healthy Adult Volunteers	https://ClinicalTrials.gov/show/NCT03936907	Completed	One World Cannabis Ltd.	2019-07-18
NCT03845842	Using Implementation Intentions to Reduce Cannabis Use	https://ClinicalTrials.gov/show/NCT03845842	Recruiting	University of Manchester	2019-05-31
NCT03813602	Detection of Cannabis Impairment With an Eye Tracker	https://ClinicalTrials.gov/show/NCT03813602	Completed	Centre for Addiction and Mental Health	2019-11-15
NCT03786224	Pilot Trial of Contingency Management for Long-Term Cannabis Abstinence	https://ClinicalTrials.gov/show/NCT03786224	Recruiting	Massachusetts General Hospital	2022-01-31
NCT03766971	Influence of Tobacco Use on Cannabis Use	https://ClinicalTrials.gov/show/NCT03766971	Recruiting	New York State Psychiatric Institute	2024-11-30
NCT03727659	CONNECT for Depressed Cannabis Users Trial	https://ClinicalTrials.gov/show/NCT03727659	Active, not recruiting	University of California, Los Angeles	2018-12-01
NCT03717272	Effect of AEF0117 on Subjective Effects of Cannabis in CUD Subjects	https://ClinicalTrials.gov/show/NCT03717272	Active, not recruiting	Aelis Farma	2020-07-31
NCT03705559	Opioid and Cannabinoid Interactions	https://ClinicalTrials.gov/show/NCT03705559	Recruiting	University of Kentucky	2021-12-31
NCT03699540	Marijuana Effects on Simulated Driving Performance	https://ClinicalTrials.gov/show/NCT03699540	Recruiting	University of Kentucky	2020-12-31
NCT03681353	Impact of Reduced Cannabis Use on Functional Outcomes	https://ClinicalTrials.gov/show/NCT03681353	Recruiting	Duke University	2020-09-01
NCT03679949	Effects of Cannabis on Prescription Drug Abuse Liability and Analgesia	https://ClinicalTrials.gov/show/NCT03679949	Recruiting	New York State Psychiatric Institute	2021-08-31
NCT03676166	Pharmacokinetic and Pharmacodynamic Effects of Smoked and Vaporized Cannabis	https://ClinicalTrials.gov/show/NCT03676166	Completed	Johns Hopkins University	2017-01-17
NCT03662529	Neurobehavioral Measurement of Substance Users in Outpatient Treatment Setting	https://ClinicalTrials.gov/show/NCT03662529	Completed	Hunter Holmes Mcguire Veteran Affairs Medical Center	2018-01-08
NCT03655574	Substance Use Interventions for Truant Adolescents	https://ClinicalTrials.gov/show/NCT03655574	Recruiting	Brown University	2022-10-30
NCT03633149	Choices4Health: Intervention to Prevent Substance-exposed Pregnancy	https://ClinicalTrials.gov/show/NCT03633149	Recruiting	University of Texas at Austin	2020-04-30
NCT03629990	Approach Bias Modification for the Treatment of Cannabis Use Disorder	https://ClinicalTrials.gov/show/NCT03629990	Recruiting	Medical University of South Carolina	2023-01-31
NCT03629106	Effects of Cannabis Abstinence on Symptomology and Cognition in Bipolar Disorder	https://ClinicalTrials.gov/show/NCT03629106	Recruiting	Centre for Addiction and Mental Health	2022-08-31
NCT03624933	Effects of Cannabis Abstinence on Symptoms and Cognition in Depression	https://ClinicalTrials.gov/show/NCT03624933	Recruiting	Centre for Addiction and Mental Health	2019-12-31
NCT03608137	Cannabis and Thought Disorder in Schizophrenia	https://ClinicalTrials.gov/show/NCT03608137	Recruiting	Hôpital le Vinatier	2021-12-30
NCT03601026	Genetic Counselling in the Prevention of Mental Health Consequences of Cannabis Use	https://ClinicalTrials.gov/show/NCT03601026	Recruiting	Nova Scotia Health Authority	2020-09-01
NCT03581058	Neural Correlates of Driving and Cannabis	https://ClinicalTrials.gov/show/NCT03581058	Active, not recruiting	St. Michael’s Hospital, Toronto	2020-12-31
NCT03560934	Tetrahydrocannabinol (THC) and Sleep	https://ClinicalTrials.gov/show/NCT03560934	Recruiting	Oregon Health and Science University	2021-02-01
NCT03546790	Laboratory Smoking of Marijuana “Blunts”	https://ClinicalTrials.gov/show/NCT03546790	Completed	Battelle Memorial Institute	2019-09-30
NCT03538288	Feasibility Trial of rTMS for Cannabis Use Disorder	https://ClinicalTrials.gov/show/NCT03538288	Completed	Medical University of South Carolina	2017-07-01
NCT03522467	Cannabis Oil for Pain Effectiveness	https://ClinicalTrials.gov/show/NCT03522467	Recruiting	Aurora Cannabis Inc	2020-06-30
NCT03485274	Substance Misuse To Psychiatric Disorders for Cannabis	https://ClinicalTrials.gov/show/NCT03485274	Recruiting	The University of Hong Kong	2020-12-30
NCT03481959	Effectiveness of Methylphenidate Late Formula to Reduce Cannabis Use in Young Cannabis-Related Patients and Attention Deficit Disorder Hyperactivity	https://ClinicalTrials.gov/show/NCT03481959	Recruiting	Assistance Publique - Hôpitaux de Paris	2022-05-30
NCT03432013	Affective Management Training for Cannabis Misuse	https://ClinicalTrials.gov/show/NCT03432013	Recruiting	University of California, Los Angeles	2020-02-15
NCT01204723	Medications Development for the Treatment of Cannabis Related Disorders	https://ClinicalTrials.gov/show/NCT01204723	Completed	University of Virginia	2012-01-31
NCT01179425	Sex Differences in Attentional Bias in Marijuana-dependent Individuals	https://ClinicalTrials.gov/show/NCT01179425	Completed	Medical University of South Carolina	2011-02-28
NCT01170260	Alcohol, Marijuana, and Risky Sex: Group Interventions With Detained Adolescents	https://ClinicalTrials.gov/show/NCT01170260	Completed	University of New Mexico	2014-06-30
NCT01153490	Improving Substance Use and Clinical Outcomes in Heavy Cannabis Users With Quetiapine	https://ClinicalTrials.gov/show/NCT01153490	Completed	Northwell Health	2012-08-06
NCT01118364	Effect of Cannabis on Simulated and Actual Driving in Healthy Subjects	https://ClinicalTrials.gov/show/NCT01118364	Completed	Assistance Publique Hopitaux De Marseille	2011-02-28
NCT01110434	Biobehavioral Effects of Topiramate on Cannabis-Related Outcomes in Adolescents	https://ClinicalTrials.gov/show/NCT01110434	Completed	Brown University	2012-05-31
NCT01109563	Teen Marijuana Check-Up	https://ClinicalTrials.gov/show/NCT01109563	Completed	University of Washington	2014-09-30
NCT01081119	Brief Voluntary Alcohol and Drug Intervention for Middle School Youth	https://ClinicalTrials.gov/show/NCT01081119	Completed	RAND	2012-06-30
NCT01071616	Oral Fluid, Plasma and Whole Pharmacokinetics and Stability Following Smoked Cannabis	https://ClinicalTrials.gov/show/NCT01071616	Completed	National Institutes of Health Clinical Center (CC)	NA
NCT01041170	Antagonist-Elicited Cannabis Withdrawal	https://ClinicalTrials.gov/show/NCT01041170	Completed	National Institutes of Health Clinical Center (CC)	2010-01-11
NCT01037608	Effects of Sativex(Registered Trademark) and Oral THC on Attention, Affect, Working Memory, Reversal Learning, Physiology and Brain Activation	https://ClinicalTrials.gov/show/NCT01037608	Completed	National Institutes of Health Clinical Center (CC)	2011-08-15
NCT01025700	Nabilone & Marijuana Addiction	https://ClinicalTrials.gov/show/NCT01025700	Completed	University of British Columbia	2010-06-30
NCT01020019	Combined Pharmacotherapy for Cannabis Dependency	https://ClinicalTrials.gov/show/NCT01020019	Completed	New York State Psychiatric Institute	2014-09-30
NCT01005810	A Trial of N-Acetylcysteine (an Over-the-Counter Medicine) in Adolescents Who Smoke Marijuana	https://ClinicalTrials.gov/show/NCT01005810	Completed	Medical University of South Carolina	2011-08-31
NCT00974376	Gabapentin Treatment of Cannabis Dependence	https://ClinicalTrials.gov/show/NCT00974376	Completed	The Scripps Research Institute	2016-05-19
NCT00969696	Galantamine Effects on Cognitive Function in Marijuana Users	https://ClinicalTrials.gov/show/NCT00969696	Completed	Yale University	2011-06-30
NCT00954681	Study of Quetiapine Treatment for Cannabis Dependence	https://ClinicalTrials.gov/show/NCT00954681	Completed	New York State Psychiatric Institute	2010-08-31
NCT00946348	Cannabis and Schizophrenia: Self-Medication and Agonist Treatment	https://ClinicalTrials.gov/show/NCT00946348	Completed	Dartmouth-Hitchcock Medical Center	2012-10-31
NCT00893269	The Effect of Marijuana and Prescription Medications in Mood, Performance and Sleep	https://ClinicalTrials.gov/show/NCT00893269	Completed	Johns Hopkins University	2010-10-31
NCT00893074	The Effect of Prescription Medications in Marijuana Users	https://ClinicalTrials.gov/show/NCT00893074	Completed	Johns Hopkins University	2011-10-31
NCT00875836	Buspirone Treatment for Marijuana Dependence	https://ClinicalTrials.gov/show/NCT00875836	Completed	Medical University of South Carolina	2014-06-30
NCT00842985	Dronabinol Interactions With Cognitive Enhancing Drug in Humans	https://ClinicalTrials.gov/show/NCT00842985	Completed	Yale University	2009-10-31
NCT04316598	Cannabis Effects on Electroencephalography	https://ClinicalTrials.gov/show/NCT04316598	Active, not recruiting	Parc de Salut Mar	2020-08-31
NCT00838448	Interactions Between Physical Activity and Cannabis Use in Adults	https://ClinicalTrials.gov/show/NCT00838448	Completed	Vanderbilt University	2011-01-31
NCT03055377	N-Acetylcysteine for Youth Cannabis Use Disorder	https://ClinicalTrials.gov/show/NCT03055377	Recruiting	Medical University of South Carolina	2021-11-30
NCT03518567	Behavioral Economic Analysis of Demand for Marijuana	https://ClinicalTrials.gov/show/NCT03518567	Recruiting	Brown University	2020-12-30
NCT02710097	Ethanol and Cannabinoid Effects on Simulated Driving and Related Cognition: Sub-Study II	https://ClinicalTrials.gov/show/NCT02710097	Active, not recruiting	Yale University	2020-12-31
NCT02579421	Hormones and Reduction in Co-users of Marijuana and Nicotine	https://ClinicalTrials.gov/show/NCT02579421	Completed	University of Minnesota	2017-07-27
NCT01964404	Cannabis, Schizophrenia and Reward: Self-Medication and Agonist Treatment?	https://ClinicalTrials.gov/show/NCT01964404	Recruiting	Dartmouth-Hitchcock Medical Center	2021-03-31
NCT00783185	Dual Diagnosis (Psychosis and Cannabismisuse): Comparison of Specialized Treatment Versus Unspecified Treatment	https://ClinicalTrials.gov/show/NCT00783185	Completed	University of Konstanz	2009-06-30
NCT00781001	Efficacy of Inhaled Cannabis in Diabetic Painful Peripheral Neuropathy	https://ClinicalTrials.gov/show/NCT00781001	Completed	Center for Medicinal Cannabis Research	2011-06-30
NCT00743366	Effect of Quetiapine on Marijuana Withdrawal and Relapse	https://ClinicalTrials.gov/show/NCT00743366	Completed	New York State Psychiatric Institute	2009-03-31
NCT00743145	Effects of Low-dose Naltrexone in Combination With a Range of Smoked Marijuana	https://ClinicalTrials.gov/show/NCT00743145	Completed	New York State Psychiatric Institute	2009-07-31
NCT00743119	Comparison of the Analgesic Effects of Dronabinol and Smoked Marijuana in Daily Marijuana Smokers	https://ClinicalTrials.gov/show/NCT00743119	Completed	New York State Psychiatric Institute	2009-10-31
NCT00683488	Integrated Treatment of Marijuana Abuse for HIV+ Youth	https://ClinicalTrials.gov/show/NCT00683488	Completed	University of North Carolina, Chapel Hill	2010-08-31
NCT00613405	Stress and Marijuana Cue-elicited Craving and Reactivity	https://ClinicalTrials.gov/show/NCT00613405	Completed	Medical University of South Carolina	2009-05-31
NCT00594659	Development and Efficacy Test of Computerized Treatment for Marijuana Dependence	https://ClinicalTrials.gov/show/NCT00594659	Completed	Dartmouth-Hitchcock Medical Center	2012-07-31
NCT00580671	Treatment for Adolescent Marijuana Abuse	https://ClinicalTrials.gov/show/NCT00580671	Completed	Dartmouth-Hitchcock Medical Center	2012-07-31
NCT00573287	First Episode Schizophrenia and Cannabis-Related Disorder Study	https://ClinicalTrials.gov/show/NCT00573287	Completed	Dartmouth-Hitchcock Medical Center	2010-12-31
NCT00542750	An Open-Label Trial of N-Acetylcysteine in Cannabis Dependent Adolescents	https://ClinicalTrials.gov/show/NCT00542750	Completed	Medical University of South Carolina	2008-12-31
NCT00498550	Treatment of Schizophrenia and Comorbid Cannabis Use Disorder: Comparing Clozapine to Treatment-as-Usual	https://ClinicalTrials.gov/show/NCT00498550	Completed	Dartmouth-Hitchcock Medical Center	2009-03-31
NCT00490269	Ph1 Marinol Interaction Study - Part 2 - 1	https://ClinicalTrials.gov/show/NCT00490269	Completed	National Institute on Drug Abuse (NIDA)	2007-12-31
NCT00484302	Specialized Addiction Treatment Versus Treatment as Usual for Young Patients With Cannabis Abuse and Psychosis	https://ClinicalTrials.gov/show/NCT00484302	Completed	Bispebjerg Hospital	2011-01-31
NCT00480441	Effectiveness Study of Dronabinol and BRENDA for the Treatment of Cannabis Withdrawal	https://ClinicalTrials.gov/show/NCT00480441	Completed	University of Pennsylvania	2009-06-30
NCT00403117	Effects of a Range of Naltrexone Doses in Combination With Smoked Marijuana	https://ClinicalTrials.gov/show/NCT00403117	Completed	New York State Psychiatric Institute	2008-05-31
NCT00395044	Gabapentin Treatment of Cannabis Dependence	https://ClinicalTrials.gov/show/NCT00395044	Completed	The Scripps Research Institute	2008-07-31
NCT00393978	Efficacy Study of Quetiapine Plus Topiramate for Reducing Cannabis Consumption and Bipolar Mania	https://ClinicalTrials.gov/show/NCT00393978	Completed	University of Cincinnati	2011-12-31
NCT00374127	Comparison Between Marijuana Smoked in Cigarette Paper Versus Cigar Paper	https://ClinicalTrials.gov/show/NCT00374127	Completed	New York State Psychiatric Institute	2008-08-31
NCT00373503	Effect of Lofexidine and Oral THC on Marijuana Withdrawal and Relapse	https://ClinicalTrials.gov/show/NCT00373503	Completed	New York State Psychiatric Institute	2007-06-30
NCT00373399	Effects of Smoked Marijuana on Risk Taking and Decision Making Tasks	https://ClinicalTrials.gov/show/NCT00373399	Completed	New York State Psychiatric Institute	2008-03-31
NCT00373295	Effect of Baclofen on Marijuana Withdrawal and Relapse	https://ClinicalTrials.gov/show/NCT00373295	Completed	New York State Psychiatric Institute	2008-01-31
NCT00360269	Atomoxetine Treatment for ADHD and Marijuana Dependence	https://ClinicalTrials.gov/show/NCT00360269	Completed	Medical University of South Carolina	2008-06-30
NCT00360191	A Placebo-Controlled Trial of Buspirone for Treatment of Marijuana Dependence	https://ClinicalTrials.gov/show/NCT00360191	Completed	Medical University of South Carolina	NA
NCT00350649	Maximizing the Efficacy of Cognitive Behavior Therapy and Contingency Management	https://ClinicalTrials.gov/show/NCT00350649	Completed	Yale University	2010-09-30
NCT00350285	The Teen Marijuana Check-Up	https://ClinicalTrials.gov/show/NCT00350285	Completed	University of Washington	2008-06-30
NCT00270803	The Effects of Marijuana on Orientation and Motor Coordination and Brain Metabolism in Regular Smokers of Marijuana	https://ClinicalTrials.gov/show/NCT00270803	Completed	Tel-Aviv Sourasky Medical Center	2005-12-31
NCT00255580	Medicinal Cannabis for Painful HIV Neuropathy	https://ClinicalTrials.gov/show/NCT00255580	Completed	Center for Medicinal Cannabis Research	2006-11-30
NCT00254761	Effects of Smoked Marijuana on Neuropathic Pain	https://ClinicalTrials.gov/show/NCT00254761	Completed	Center for Medicinal Cannabis Research	2006-02-28
NCT00249509	Effectiveness of Nefazodone and Bupropion in Treating Marijuana Dependent Individuals	https://ClinicalTrials.gov/show/NCT00249509	Completed	National Institute on Drug Abuse (NIDA)	2004-09-30
NCT00248378	Short-Term Effects of Medicinal Cannabis Therapy on Spasticity in Multiple Sclerosis	https://ClinicalTrials.gov/show/NCT00248378	Completed	Center for Medicinal Cannabis Research	NA
NCT00241592	Vaporization as a Smokeless Cannabis Delivery System	https://ClinicalTrials.gov/show/NCT00241592	Completed	Center for Medicinal Cannabis Research	NA
NCT00241579	Analgesic Efficacy of Smoked Cannabis	https://ClinicalTrials.gov/show/NCT00241579	Completed	Center for Medicinal Cannabis Research	NA
NCT00227916	Motivational Interviews for Incarcerated Teens - 1	https://ClinicalTrials.gov/show/NCT00227916	Completed	Brown University	2004-05-31
NCT00227903	Therapeutic Substance Abuse Treatment in Pregnancy - 1	https://ClinicalTrials.gov/show/NCT00227903	Completed	Yale University	2010-08-31
NCT00227890	Skills and Motivation at the Rhode Island Training School (Project SMART) - 1	https://ClinicalTrials.gov/show/NCT00227890	Completed	University of Rhode Island	2011-09-30
NCT00227864	A Brief Marijuana Intervention for Adolescent Women - 1	https://ClinicalTrials.gov/show/NCT00227864	Completed	Butler Hospital	2009-12-31
NCT00218517	Effectiveness of Selegiline in Treating Marijuana Dependent Individuals - 1	https://ClinicalTrials.gov/show/NCT00218517	Completed	National Institute on Drug Abuse (NIDA)	2007-07-31
NCT00217971	Dronabinol Treatment for Marijuana Addiction	https://ClinicalTrials.gov/show/NCT00217971	Completed	New York State Psychiatric Institute	2009-12-31
NCT00167297	Atomoxetine for the Treatment of Cannabis Dependence	https://ClinicalTrials.gov/show/NCT00167297	Completed	National Institute on Drug Abuse (NIDA)	2005-07-31
NCT00158249	Effects of Citicoline on Brain Function and Behavior in Marijuana-Dependent Individuals	https://ClinicalTrials.gov/show/NCT00158249	Completed	Mclean Hospital	2013-01-31
NCT00149643	Effectiveness of Fluoxetine in Young People for the Treatment of Major Depression and Marijuana Dependence	https://ClinicalTrials.gov/show/NCT00149643	Completed	University of Pittsburgh	2009-08-31
NCT00149617	Effectiveness of Buspirone and Motivational Enhancement Therapy for the Treatment of Marijuana Dependence - 1	https://ClinicalTrials.gov/show/NCT00149617	Completed	Medical University of South Carolina	NA
NCT00142961	Atomoxetine for Treating Marijuana-Abusing Adolescents Who Have Attention Deficit Hyperactivity Disorder	https://ClinicalTrials.gov/show/NCT00142961	Completed	New York State Psychiatric Institute	2007-01-31
NCT00142870	Effectiveness of Bupropion in Treating Marijuana Dependent Individuals	https://ClinicalTrials.gov/show/NCT00142870	Completed	National Institute on Drug Abuse (NIDA)	2006-05-31
NCT00131456	Free Venlafaxine Treatment for Marijuana Addiction and Depression - 1	https://ClinicalTrials.gov/show/NCT00131456	Completed	New York State Psychiatric Institute	2010-12-31
NCT00114439	Lithium Cannabis Withdrawal Study	https://ClinicalTrials.gov/show/NCT00114439	Completed	Sydney South West Area Health Service	NA
NCT00108407	Study Comparing Two Types of Psychotherapy for Treating Depression and Substance Abuse	https://ClinicalTrials.gov/show/NCT00108407	Completed	VA Office of Research and Development	NA
NCT00107588	Marijuana Treatment Project - 3	https://ClinicalTrials.gov/show/NCT00107588	Completed	UConn Health	2011-04-30
NCT00798109	Effect of Motivational Therapy on Schizophrenia With Cannabis Misuse	https://ClinicalTrials.gov/show/NCT00798109	Completed	Assistance Publique - Hôpitaux de Paris	2012-10-31
NCT00079560	Comparing the Effects of Smoked and Oral Marijuana in Individuals With HIV/AIDS	https://ClinicalTrials.gov/show/NCT00079560	Completed	National Institute on Drug Abuse (NIDA)	2004-08-31
NCT00061113	Substance Dependent Teens - Impact of Treating Depression Study 1 - 1	https://ClinicalTrials.gov/show/NCT00061113	Completed	National Institute on Drug Abuse (NIDA)	2006-08-31
NCT00656487	Clinical and Neurobiological Effects of Cannabis Dependence in Young Adults	https://ClinicalTrials.gov/show/NCT00656487	Completed	The Scripps Research Institute	2010-12-28
NCT00218114	Divalproex Sodium (Depakote) for Explosive Tempers in Adolescents and Adults	https://ClinicalTrials.gov/show/NCT00218114	Completed	New York State Psychiatric Institute	2005-02-18

Observational Studiess

#If less then 500 studies

nct_id	brief_title	link	overall_status	source	primary_completion_date
NCT04083261	Pharmacogenetic Variation: Factors That May Affect the Efficacy and Safety of Medical Marijuana	https://ClinicalTrials.gov/show/NCT04083261	Completed	Columbia Care Inc.	2020-03-30
NCT03614637	Cannabis Use and Epigenetic Alterations in Human Male Sperm Cells	https://ClinicalTrials.gov/show/NCT03614637	Completed	Duke University	2020-03-16
NCT03104257	The Neural Correlates of Cannabis Use	https://ClinicalTrials.gov/show/NCT03104257	Active, not recruiting	Yale University	2021-01-31
NCT02801422	Neural Indices Associated With Relapse in Cannabis Dependence	https://ClinicalTrials.gov/show/NCT02801422	Recruiting	University of Electronic Science and Technology of China	2019-03-31
NCT02801214	Emotional Brain Processes in Recreational Cannabis Users	https://ClinicalTrials.gov/show/NCT02801214	Completed	University of Electronic Science and Technology of China	2015-12-31
NCT02797990	Conflict Between Maternal Autonomy and Child Health in Substance-use	https://ClinicalTrials.gov/show/NCT02797990	Completed	London School of Hygiene and Tropical Medicine	2016-08-31
NCT02777502	Effects of Cannabidiol on Marijuana-seeking in Humans	https://ClinicalTrials.gov/show/NCT02777502	Completed	Wayne State University	2019-01-31
NCT02735954	Colorado Marijuana Users Health Cohort	https://ClinicalTrials.gov/show/NCT02735954	Active, not recruiting	National Jewish Health	2019-05-31
NCT02711371	Social and Emotional Brain Function in Cannabis Users	https://ClinicalTrials.gov/show/NCT02711371	Completed	University of Electronic Science and Technology of China	2016-12-31
NCT02635568	Duration of Marijuana Concentration in Breast Milk- A Pilot Study	https://ClinicalTrials.gov/show/NCT02635568	Completed	University of Colorado, Denver	2019-06-30
NCT02480283	Chronic Cannabis Smoking, Oxidative Stress and the Pulmonary Innate Immune Response	https://ClinicalTrials.gov/show/NCT02480283	Active, not recruiting	University of Colorado, Denver	2022-05-04
NCT02388217	The Effect of Cannabis on Pain and Related Quality Of Life Outcomes In Chronic Pain: A Prospective Open-Label Study	https://ClinicalTrials.gov/show/NCT02388217	Active, not recruiting	Hadassah Medical Organization	2017-03-31
NCT01874886	Cannabis Effects on Brain Morphology in Aging	https://ClinicalTrials.gov/show/NCT01874886	Active, not recruiting	University of California, Los Angeles	2018-12-31
NCT01730781	Imaging Cannabinoid Receptors Using Positron Emission Tomography (PET) Scanning	https://ClinicalTrials.gov/show/NCT01730781	Recruiting	Yale University	2020-12-31
NCT01603992	Quiting Marijuana Use: Self-report Study of Quitting Straegies and Withdrawal Symptoms	https://ClinicalTrials.gov/show/NCT01603992	Completed	National Institutes of Health Clinical Center (CC)	NA
NCT01536899	Medical Marijuana Use in HIV+ Patients Prospective Cohort Study	https://ClinicalTrials.gov/show/NCT01536899	Completed	Wayne State University	2017-06-30
NCT04320537	Brain Neurochemical Profile During Marijuana Abstinence	https://ClinicalTrials.gov/show/NCT04320537	Completed	Mclean Hospital	2019-07-31
NCT04266314	Maternal Marijuana Use and Fetal and Infant Outcome	https://ClinicalTrials.gov/show/NCT04266314	Recruiting	Johns Hopkins University	2021-04-10
NCT04114903	Exploring the Anti-inflammatory Properties of Cannabis and Their Relevance to Insulin Sensitivity	https://ClinicalTrials.gov/show/NCT04114903	Recruiting	University of Colorado, Boulder	2024-10-31
NCT04055662	A Comparison of Post-Operative Analgesia Requirements In Recreational Cannabis Users Versus Cannabis Naïve Inflammatory Bowel Disease Patients	https://ClinicalTrials.gov/show/NCT04055662	Recruiting	Mount Sinai Hospital, Canada	2020-03-31
NCT03859089	Cannabis for Opioid Substitution Trial	https://ClinicalTrials.gov/show/NCT03859089	Recruiting	Cannabis Research Associates	2019-06-30
NCT03718520	The Influence of in Utero Cannabis Exposure on Neonatal Brain Morphology and Structural Connectivity	https://ClinicalTrials.gov/show/NCT03718520	Recruiting	University of Colorado, Denver	2020-07-31
NCT03617692	Cannabis Use in Cancer Patients	https://ClinicalTrials.gov/show/NCT03617692	Recruiting	University of Colorado, Denver	2020-12-20
NCT03522324	Pain Research: Innovative Strategies With Marijuana	https://ClinicalTrials.gov/show/NCT03522324	Recruiting	University of Colorado, Boulder	2021-10-31
NCT03431987	Neuroscience of Alcohol and Marijuana Impaired Driving	https://ClinicalTrials.gov/show/NCT03431987	Recruiting	Hartford Hospital	2019-07-31
NCT01212081	Assessment of Cannabis Craving in Schizophrenia Using Virtual Reality	https://ClinicalTrials.gov/show/NCT01212081	Completed	National Institutes of Health Clinical Center (CC)	NA
NCT01096303	Effects of Marijuana Used on Lung Function in Persons With Chronic Obstructive Pulmonary Disease (COPD)	https://ClinicalTrials.gov/show/NCT01096303	Completed	The University of Texas Health Science Center, Houston	2016-12-31
NCT01039415	Attempts to Stop/Reduce Marijuana Among Dependent Users	https://ClinicalTrials.gov/show/NCT01039415	Completed	University of Vermont	2012-10-31
NCT01031563	Risk Perception in Drug-Dependent Adults With and Without Schizophrenia	https://ClinicalTrials.gov/show/NCT01031563	Completed	National Institutes of Health Clinical Center (CC)	NA
NCT00943930	Marijuana Drug Discrimination and Self-Administration	https://ClinicalTrials.gov/show/NCT00943930	Completed	Wayne State University	2012-12-31
NCT03167021	Survey on the Place of Community Pharmacists in the Detection of Cannabis Use: a Student’s Point of View	https://ClinicalTrials.gov/show/NCT03167021	Completed	University Hospital, Clermont-Ferrand	2017-06-02
NCT03268551	MEMO-Medical Marijuana and Opioids Study	https://ClinicalTrials.gov/show/NCT03268551	Recruiting	Albert Einstein College of Medicine	2022-06-30
NCT00534716	Cannabis Cigarettes Used for Doping: Delta-9-Tetrahydrocannabinol (THC) Urine Detection	https://ClinicalTrials.gov/show/NCT00534716	Completed	Federal Office of Sports, Switzerland	2007-12-31
NCT00376233	Niacin Flushing as Marker of Cannabis Effects on Arachidonic Acid Pathways in Schizophrenia	https://ClinicalTrials.gov/show/NCT00376233	Completed	University of Jena	NA
NCT00218504	Responses to Marijuana-Related Cues Versus Neutral Cues in Adults Taking Tetrahydrocannabinol (THC) - 2	https://ClinicalTrials.gov/show/NCT00218504	Completed	Wayne State University	NA
NCT00218478	Evaluating Responses to Drug-Related Cues Versus Neutral Cues to Understand the Effects of Marijuana Craving - 1	https://ClinicalTrials.gov/show/NCT00218478	Completed	Wayne State University	NA
NCT00176085	Pharmacokinetics of THCCOOH and Its Acyl-glucuronide After Intravenous Administration of THCCOOH	https://ClinicalTrials.gov/show/NCT00176085	Completed	Heidelberg University	NA

Registries

#If less then 500 registries

nct_id	brief_title	link	overall_status	source	primary_completion_date
NCT03699527	Medical Cannabis Registry and Pharmacology	https://ClinicalTrials.gov/show/NCT03699527	Completed	Children’s Hospital of Philadelphia	2020-01-15